# 数据类型(变量无类型，数据有类型)

n1 = 10
n2 = 12.22
n3 = True
n4 = "hello"

type_01 = type(n1)
print("n1类型", type_01)
print("type类型", type(type_01))
print("n2类型", type(n2))
print("n3类型", type(n3))
print("n4类型", type(n4))
